<!-- 창이 나타나면 나타나는 창을 숨겨버린다 
target_blank => 새창을 띄운다-->
<!DOCTYPE html>
<html>
<head>
<script
src ="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
	$("button").click(function(){
		$("a[target='_blank']").hide();
	});
});
</script>
</head>
<body>

<h2>This is heading</h2>
<p> This is a paragraph.</p>
<p> This is another paragraph.</p>
<p><a href="http://www.naver.com" target="_blank">HTML Tutorial</a></p>
<p><a href="http://www.naver.com">CSS Tutorial</a></p>
<button>Click me</button>
</body>
</html>